\ Copyright (c) 2003 Scott Long \ Copyright (c) 2015 Devin Teske \ All rights reserved. \ \ Redistribution and use in source and binary forms, with or without \ modification, are permitted provided that the following conditions \ are met: \ 1. Redistributions of source code must retain the above copyright \ notice, this list of conditions and the following disclaimer. \ 2. Redistributions in binary form must reproduce the above copyright \ notice, this list of conditions and the following disclaimer in the \ documentation and/or other materials provided with the distribution. \ \ THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND \ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE \ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE \ ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE \ FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL \ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS \ OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) \ HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT \ LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY \ OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF \ SUCH DAMAGE. \ \ $FreeBSD: head/sys/boot/forth/screen.4th 280924 2015-03-31 22:32:35Z dteske $ marker task-screen.4th : escc ( -- ) \ emit Esc-[ 91 27 emit emit ; : ho ( -- ) \ Home cursor escc 72 emit \ Esc-[H ; : cld ( -- ) \ Clear from current position to end of display escc 74 emit \ Esc-[J ; : clear ( -- ) \ clear screen ho cld ; : at-xy ( x y -- ) \ move cursor to x rows, y cols (1-based coords) escc .# 59 emit .# 72 emit \ Esc-[%d;%dH ; : fg ( x -- ) \ Set foreground color escc 3 .# .# 109 emit \ Esc-[3%dm ; : bg ( x -- ) \ Set background color escc 4 .# .# 109 emit \ Esc-[4%dm ; : me ( -- ) \ Mode end (clear attributes) escc 109 emit ;